How to replace the Engine Coolant Temperature Sensor (LLT) (3.6L) on 2009 Cadillac STS?

To change the Engine Coolant Temperature Sensor (LLT) make sure that the engine is cool. Switch the ignition to the OFF position, unscrew the dipstick, unscrew the electrical connector of the sensor, and then unscrew the sensor. Installation of the new sensor, reconnection of the electrical connector and inspection and filling of the cooling system as necessary.

OEM 2009 Cadillac STS Coolant Temperature Sensor

Coolant Water Temperature Sensor

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2 Coolant Temperature Sensors found

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2009 Cadillac STS Coolant Temperature Sensor Part Number: 12639899
$28.44 MSRP: $53.40
You Save: $24.96 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Engine Coolant Temperature Sensor; Temperature Sensor; Sensor, Coolant Temperature (Engine Unit)
- Replaces: 12566778
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.0 x 1.5 x 0.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12639899
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 Cadillac STS Submodels:
- Base | 6 Cyl 3.6 L GAS
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2009 Cadillac STS Coolant Temperature Sensor Part Number: 15326386
$24.96 MSRP: $46.88
You Save: $21.92 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Engine Coolant Temperature; Air Charge Temperature Sensor; Intake Air Temperature Sensor.; Temperature Sensor; Manifold Pressure Sensor; Oil Pressure Unit; Fan Switch; Other Sensors
- Replaces: 12146312, 25036979
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.0 x 1.2 x 0.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15326386
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 Cadillac STS Submodels:
- Base, Platinum, V | 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS

2009 Cadillac STS Coolant Temperature Sensor

With a comprehensive array of OEM 2009 Cadillac STS Coolant Temperature Sensor, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2009 Cadillac STS Coolant Temperature Sensor are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2009 Cadillac STS Coolant Temperature Sensor Parts and Q&A

Q: How to replace the Engine Coolant Temperature Sensor (LLT) (3.6L) on 2009 Cadillac STS?
A: To change the Engine Coolant Temperature Sensor (LLT) make sure that the engine is cool. Switch the ignition to the OFF position, unscrew the dipstick, unscrew the electrical connector of the sensor, and then unscrew the sensor. Installation of the new sensor, reconnection of the electrical connector and inspection and filling of the cooling system as necessary.